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The Mineral Industry of Utah
Robert Strong Lewis
, Thomas M. Varley
, Hyrum Schneider
· 1919
Research Investigations for the Year 1924-1925: Including Hydrometallurgy of Lead, Investigations of Utah Hydrocarbons, Flotation Fundamentals and Their Application, Surface Measurement of Finely Ground Particles
Robert Strong Lewis
, Thomas M. Varley
, W. Spencer Reid
· 1919
Patents Relating to Oil-flotation Processes
Robert Strong Lewis
, Oliver Caldwell Ralston
· 1916
Descriptive Bulletin of the Department of Metallurgical Research, State School of Mines, University of Utah
Thomas Varley
, Frederick Galloway Moses
, Robert Henry Bradford
, Robert Strong Lewis
· 1919
Mine Sampling and the Commercial Value of Ores
Robert Strong Lewis
· 1918
Mining Laws of Utah
Robert Strong Lewis
· 1943
Tungsten Reserves Discovered in the Cottonwood-American Fork Mining Districts, Utah: With a Discussion of the Influence of Scheelite on the Character of Secondary Molybdenum Minerals. 1942-1947
Arthur Lorenzo Crawford
, Douglas Gardner
, Mervin B. Hogan
, P. J. Elsey
, Robert Strong Lewis
, Alfred M. Buranek
, Kirac Eray
· 1942
Elements of Mining
Robert Strong Lewis
· 1933
Elements of Mining
Robert Strong Lewis
, George Bromley Clark
· 1964
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Mining laws of Utah, by Robert S. Lewis
Robert Strong Lewis
· 1943
